<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<hr/>
<h1>这里是404页面，代表出错了！</h1>
<a th:href="index">赶紧点击回去登录页面</a>
</body>
</html>